Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9115522 | Side load constant force counterbalance system | Jay Sofianek, Patrick E. Milligan, Allen Feltes | 2015-08-25 |
| 6032417 | Corner locking carrier shoe for tilt sash | Robert M. Lucci, William P. Newton | 2000-03-07 |